/**
 * Created with IntelliJ IDEA.
 * Description:
 */
public class Demo4 {
    public static void main(String[] args) throws InterruptedException {
        Object locker1 =new Object();
        Object locker2 =new Object();
        Object locker3 =new Object();
        Thread t1 =new Thread(()->{
            for (int i = 0; i < 10; i++) {
                try {
                    synchronized (locker1){
                        locker1.wait();
                    }
                    System.out.print("A");
                    synchronized (locker2){
                        locker2.notify();
                    }
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }

            }

        });
        Thread t2 =new Thread(()->{
            for (int i = 0; i < 10; i++) {
                try {
                    synchronized (locker2){
                        locker2.wait();
                    }
                    System.out.print("B");
                    synchronized (locker3){
                        locker3.notify();
                    }
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });
        Thread t3 =new Thread(()->{
            for (int i = 0; i < 10; i++) {
                try {
                    synchronized (locker3){
                        locker3.wait();
                    }
                    System.out.println("C");
                    synchronized (locker1){
                        locker1.notify();
                    }
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });
        t1.start();
        t2.start();
        t3.start();
        Thread.sleep(1000);
        synchronized (locker1){
            locker1.notify();
        }
    }
}
